I love fun MAGIC's. I usually use one of the following:<br><br>0xDeadBeef<br>0xBaadFood<br>0xDeadBabe<br>0xF00BaaF00<br><br>-Dave<br><br><div><span class="gmail_quote">On 7/17/07, <b class="gmail_sendername">Jon Loeliger
</b> <<a href="mailto:jdl@freescale.com">jdl@freescale.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On Tue, 2007-07-17 at 12:22, robert lazarski wrote:
<br>> Hi all,<br><br>OK, enough of this "all" pretense! :-) You're talking to me...<br><br>> is this an english language pun ?<br>><br>> #define CONFIG_MEM_INIT_VALUE 0xDeadBeef<br><br>
*sigh* Guilty as charged, I'm afraid.<br><br>> I see that the #DEFINE is used in SPD:<br>><br>> cpu/mpc85xx/spd_sdram.c: ddr->sdram_data_init = CONFIG_MEM_INIT_VALUE;<br>><br>> I'm porting my board which has the mpc8548e and the same exact DDR2
<br>> that the CDS reference board has. I'm using SPD in my code. The CDS<br>> board has DeadBeef assigned to CONFIG_MEM_INIT_VALUE. I don't have a<br>> CDS board to test. My board will arrive in a few weeks - I'm trying to
<br>> prepare the best I can. Should I leave CONFIG_MEM_INIT_VALUE as is or<br>> will this make my board DeadBeef ?<br><br>The actual value is not important. It is nominally a<br>non-zero, non-FF but known "poison" value. It is merely
<br>used to initialize memory to a known value by using the<br>built-in DDR controller (CONFIG_ECC_INIT_VIA_DDRCONTROLLER).<br>You don't have to do so if you don't want to, of course.<br><br>jdl<br><br><br><br>-------------------------------------------------------------------------
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